Nagle, W. J., & Regetz, F. (1972). Pre-investment survey for the Philippines (with special emphasis on the Greater Manila Area): Housing guaranty program. Office of Housing, Bureau for Program and Management Services, Agency for International Development.
Chicago-viite (17. p.)Nagle, William J., ja Frederick Regetz. Pre-investment Survey for the Philippines (with Special Emphasis on the Greater Manila Area): Housing Guaranty Program. Washington, D.C: Office of Housing, Bureau for Program and Management Services, Agency for International Development, 1972.
MLA-viite (9. p.)Nagle, William J., ja Frederick Regetz. Pre-investment Survey for the Philippines (with Special Emphasis on the Greater Manila Area): Housing Guaranty Program. Office of Housing, Bureau for Program and Management Services, Agency for International Development, 1972.